1423090944 has 360 divisors, whose sum is σ = 4914822528. Its totient is φ = 404766720.

The previous prime is 1423090943. The next prime is 1423090979. The reversal of 1423090944 is 4490903241.

It is a super-2 number, since 2×1423090944² = 4050375669789622272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1423090899 and 1423090908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423090943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3877449 + ... + 3877815.

Almost surely, 2^1423090944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423090944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457411264).

1423090944 is an abundant number, since it is smaller than the sum of its proper divisors (3491731584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423090944 is a wasteful number, since it uses less digits than its factorization.

1423090944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1423090944 is about 37723.8776373798. The cubic root of 1423090944 is about 1124.8058118161.

The spelling of 1423090944 in words is "one billion, four hundred twenty-three million, ninety thousand, nine hundred forty-four".